The problem is bitting a ton. Tried yelping worked for 30 mins, standing up and ignoring worked briefly also just goes for pant legs and now apple spray which he just licks. Also redirecting to toys but he goes around the toy to the hands.

have you tried time outs? praise when he licks instead of biting? the second pup bites, he gets a timeout. A timeout consists of 10-15 seconds completely cut off from you aka behind a closed door. Bathrooms work well for timeouts but make sure there's nothing pup can get into. You can also work on licking instead of biting but using a stick of butter. Rub a little on the back of your hand, allow the puppy to lick the butter spot, praise for "kisses" and treat. Repeat. Enourage pleasant behaviors. Dont reward the bad.